import {Link, useNavigate} from 'react-router-dom'
import {Breadcrumb, Button, Card, DatePicker, Form, message, Popconfirm, Radio, Select, Space, Table, Tag} from 'antd'
import locale from 'antd/es/date-picker/locale/zh_CN'
import {DeleteOutlined, EditOutlined} from '@ant-design/icons'
import img404 from '@/assets/error.png'
import {useChannel} from "@/hooks/useChannel";
import {useEffect, useState} from "react";
import {deleteArticleAPI, getArticlesAPI} from "@/apis/article";

const {Option} = Select
const {RangePicker} = DatePicker

const Article = () => {

    // 定义状态枚举
    const status = {
        1: <Tag color="warning">待审核</Tag>,
        2: <Tag color="green">审核通过</Tag>
    }

    // 删除确定
    const onDeleteConfirm = async (data) => {
        // 执行删除
        await deleteArticleAPI(data.id)
        // 更新列表
        setReqData({
            ...reqData
        })
        message.success('文章删除成功');
    }
    // 取消
    const onCancel = () => {
        message.warning('取消删除');
    }

    // 路由跳转的函数
    const navigate = useNavigate();


    // 准备列数据
    const columns = [
        {
            title: '封面',
            dataIndex: 'cover',
            width: 120,
            render: cover => {
                return <img src={cover.images[0] || img404} width={80} height={60} alt=""/>
            }
        },
        {
            title: '标题',
            dataIndex: 'title',
            width: 220
        },
        {
            title: '状态',
            dataIndex: 'status',
            render: data => status[data]
        },
        {
            title: '发布时间',
            dataIndex: 'pubdate'
        },
        {
            title: '阅读数',
            dataIndex: 'read_count'
        },
        {
            title: '评论数',
            dataIndex: 'comment_count'
        },
        {
            title: '点赞数',
            dataIndex: 'like_count'
        },
        {
            title: '操作',
            render: data => {
                return (
                    <Space size="middle">
                        <Button type="primary" shape="circle" icon={<EditOutlined/>}
                                onClick={() => navigate(`/publish?id=${data.id}`)}/>

                        <Popconfirm
                            title="你确定要删除该文章吗？"
                            onConfirm={() => onDeleteConfirm(data)}
                            onCancel={onCancel}
                            okText="确定"
                            cancelText="取消"
                        >
                            <Button
                                type="primary"
                                danger
                                shape="circle"
                                icon={<DeleteOutlined/>}
                            />
                        </Popconfirm>,

                    </Space>
                )
            }
        }
    ]

    // 频道数据
    const {channelList} = useChannel();

    // 文章数量
    const [articleCount, setArticleCount] = useState(0);

    // 筛选功能
    // 准备参数
    const [reqData, setReqData] = useState({
        status: '',
        channel_id: '',
        begin_pubdate: '',
        end_pubdate: '',
        page: 1,
        per_page: 4
    });

    // 文章列表
    const [articleList, setArticleList] = useState([]);
    useEffect(() => {
        // 封装函数调用api
        const getArticleList = async () => {
            const res = await getArticlesAPI(reqData);
            console.log(res.data);
            setArticleList(res.data.results)
            setArticleCount(res.data.total_count)
        }
        getArticleList()
        // 调用函数
    }, [reqData])

    // 获取筛选数据
    const onFinish = (formValue) => {
        // 把表单数据放到参数中
        setReqData({
            ...reqData,
            channel_id: formValue.channel_id,
            status: formValue.status,
            begin_pubdate: formValue.date[0].format('YYYY-MM-DD'),
            end_pubdate: formValue.date[1].format('YYYY-MM-DD'),
        });
        // 重新获取文章列表
        // reqData发生变化，重复执行
    }

    // 分页
    const onPageChange = (page) => {
        // console.log(value)
        setReqData({
            ...reqData,
            page
        });

    }

    return (
        <div>
            <Card
                title={
                    <Breadcrumb items={[
                        {title: <Link to={'/'}>首页</Link>},
                        {title: '文章列表'},
                    ]}/>
                }
                style={{marginBottom: 20}}
            >
                <Form initialValues={{status: ''}} onFinish={onFinish}>
                    <Form.Item label="状态" name="status">
                        <Radio.Group>
                            <Radio value={''}>全部</Radio>
                            <Radio value={0}>草稿</Radio>
                            <Radio value={2}>审核通过</Radio>
                        </Radio.Group>
                    </Form.Item>

                    <Form.Item label="频道" name="channel_id">
                        <Select
                            placeholder="请选择文章频道"
                            defaultValue=""
                            style={{width: 120}}
                        >
                            {channelList.map(item => <Option key={item.id} value={item.id}>{item.name}</Option>)}

                        </Select>
                    </Form.Item>

                    <Form.Item label="日期" name="date">
                        {/* 传入locale属性 控制中文显示*/}
                        <RangePicker locale={locale}></RangePicker>
                    </Form.Item>

                    <Form.Item>
                        <Button type="primary" htmlType="submit" style={{marginLeft: 40}}>
                            筛选
                        </Button>
                    </Form.Item>
                </Form>
            </Card>

            <Card title={`根据筛选条件共查询到 ${articleCount} 条结果：`}>
                <Table rowKey="id" columns={columns} dataSource={articleList}
                       pagination={{
                           current: reqData.page,
                           pageSize: reqData.per_page,
                           onChange: onPageChange,
                           total: articleCount
                       }}
                />
            </Card>

        </div>
    )
}

export default Article